Hanson Series Barrels feature our proprietary
BA Hanson profile and include a pinned lo-pro gas block. Hanson barrels are not
designed to work with aftermarket piston kits.

All NFA/ATF Rules
Apply
You may use this barrel with a lower receiver that is a Registered SBR, Machine
Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver
is Prohibited, except when permanently attaching a muzzle device extending the
length to 16 inches.